A staff member controls fire robots during a delivery ceremony at Meishan Free Trade Port Area in Ningbo, east China's Zhejiang Province, Dec. 17, 2017. A total of 60 anti-explosion fire robots were delivered here Sunday. (Xinhua/Xu Yu)
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A staff member controls fire robots during a delivery ceremony at Meishan Free Trade Port Area in Ningbo, east China's Zhejiang Province, Dec. 17, 2017. A total of 60 anti-explosion fire robots were delivered here Sunday. (Xinhua/Xu Yu)
